Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 4 - Inverse, Exponential, and Logarithmic Functions - 4.3 Logarithmic Functions - 4.3 Exercises: 37

Answer

$13$

Work Step by Step

$\log _{1/2}\left( x+3\right) =-4\Rightarrow \left( x+3\right) =\left( \dfrac {1}{2}\right) ^{-4}\Rightarrow x+3=16\Rightarrow x=13$
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